The phrase "new aircraft" refers to a recently created or produced airplane that has not been used before. It means a brand new or fresh plane that has just been made and is ready to be flown. Full definition
In addition, the standards would on average require only a 4 % reduction in the cruise fuel consumption of new aircraft, compared to 2015. (theguardian.com)
It is the lead ship of its class, and is planned to be the first of 10 new aircraft carriers. (businessinsider.com)
They have to be able to invest in new aircraft and that is a good thing for travelers. (petergreenberg.com)